TY  - BOOK
AU  - Patricio Felmer, Erkki Pehkonen, Jeremy Kilpatrick
TI  - Posing and Solving Mathematical Problems
SN  - 9783319280233
PB  - Springer
UR  - https://link.springer.com/openurl?genre=book&isbn=978-3-319-28023-3
ER  -